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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Feed\Reader\Collection;
class Category extends AbstractCollection
{
/**
* Return a simple array of the most relevant slice of
* the collection values. For example, feed categories contain
* the category name, domain/URI, and other data. This method would
* merely return the most useful data - i.e. the category names.
*
* @return array
*/
public function getValues()
{
$categories = array();
foreach ($this->getIterator() as $element) {
if (isset($element['label']) && !empty($element['label'])) {
$categories[] = $element['label'];
} else {
$categories[] = $element['term'];
}
}
return array_unique($categories);
}
}